Three killed, over 100 injured as two blasts rock Boston Marathon

At least three people were killed and over 130 sustained injuries when two powerful explosions rocked the US city of Boston during an annual marathon.  People react as an explosion goes off near the finish line of the 2013 Boston Marathon in Boston. (AP)
At least three people were killed and over 130 sustained injuries when two powerful explosions rocked the US city of Boston during an annual marathon.

People react as an explosion goes off near the finish line of the 2013 Boston Marathon in Boston. (AP)
The two blasts occurred within seconds at a sidewalk along the route of the Boston Marathon, where thousands of people had lined up to cheer on the marathoners.  Runners continue to run towards the finish line of the Boston Marathon as an explosion erupts near the finish line of the race. (Reuters)
The two blasts occurred within seconds at a sidewalk along the route of the Boston Marathon, where thousands of people had lined up to cheer on the marathoners.

Runners continue to run towards the finish line of the Boston Marathon as an explosion erupts near the finish line of the race. (Reuters)
The Boston Globe quoted law enforcement sources as saying that the dead included an 8-year-old boy. The injured are being treated at several local hospitals. The authorities also found a device at two other locations in the city, but they did not explode. An injured woman is tended to at the finish line of the Boston Marathon, in Boston. (AP)
The Boston Globe quoted law enforcement sources as saying that the dead included an 8-year-old boy. The injured are being treated at several local hospitals. The authorities also found a device at two other locations in the city, but they did not explode.

An injured woman is tended to at the finish line of the Boston Marathon, in Boston. (AP)
FBI special agent in charge Richard DesLauriers told reporters that the investigation into the blasts is an "ongoing and criminal investigation that is a potential terrorist investigation."  Debris is seen along Boylston Street after explosions went off at the 117th Boston Marathon in Boston. (Reuters)
FBI special agent in charge Richard DesLauriers told reporters that the investigation into the blasts is an "ongoing and criminal investigation that is a potential terrorist investigation."

Debris is seen along Boylston Street after explosions went off at the 117th Boston Marathon in Boston. (Reuters)
After the incident, the security across major US cities was beefed up and President Obama, describing the act as "senseless", affirmed that the perpetrators "will feel the full weight of justice."  A SWAT truck arrives with officers to the scene.  (Reuters)
After the incident, the security across major US cities was beefed up and President Obama, describing the act as "senseless", affirmed that the perpetrators "will feel the full weight of justice."

A SWAT truck arrives with officers to the scene. (Reuters)
Nearly 27,000 people were participating in the marathon which is held annually on the Patriots' Day, the third Monday of April, a state holiday in Massachusetts.  People react to an explosion at the 2013 Boston Marathon in Boston. (AP)
Nearly 27,000 people were participating in the marathon which is held annually on the Patriots' Day, the third Monday of April, a state holiday in Massachusetts. People react to an explosion at the 2013 Boston Marathon in Boston. (AP)
The blasts occurred as thousands of spectators lined the sidewalks to cheer on the marathoners. several runners collapsed on the ground due to the impact of the blasts which tore through the windows of buildings nearby.  Agents from several federal agencies including the FBI and ATF arrive on scene after explosions. (Reuters)
The blasts occurred as thousands of spectators lined the sidewalks to cheer on the marathoners. several runners collapsed on the ground due to the impact of the blasts which tore through the windows of buildings nearby.

Agents from several federal agencies including the FBI and ATF arrive on scene after explosions. (Reuters)
President Barack Obama said those responsible are yet to be identified, and cautioned that "people should not jump to conclusions before we have all the facts. But make no mistake, we will get to the bottom of this. And we will find out who did this and we'll find out why they did this. Any responsible individuals, any responsible groups will feel the full weight of justice."  Federal Bureau of Investigation (FBI) agents arrive at the scene after explosions near the finish line of the Boston Marathon in Boston, Massachusetts (Reuters)
President Barack Obama said those responsible are yet to be identified, and cautioned that "people should not jump to conclusions before we have all the facts. But make no mistake, we will get to the bottom of this. And we will find out who did this and we'll find out why they did this. Any responsible individuals, any responsible groups will feel the full weight of justice."

Federal Bureau of Investigation (FBI) agents arrive at the scene after explosions near the finish line of the Boston Marathon in Boston, Massachusetts (Reuters)
President Obama did not say whether the blasts were a terror attack. Shortly after the blasts, a fire broke out at a local library, raising suspicion of a possible third blast. However, Boston Police Commissioner Ed Davis later said that based on preliminary investigation, it came out that the incident at the library "may not have been an explosion (but) a fire." (Reuters)
President Obama did not say whether the blasts were a terror attack. Shortly after the blasts, a fire broke out at a local library, raising suspicion of a possible third blast. However, Boston Police Commissioner Ed Davis later said that based on preliminary investigation, it came out that the incident at the library "may not have been an explosion (but) a fire." (Reuters)
The police also did not specify whether the two blasts were an act of terror. They said they do not have any suspect in custody and the FBI has taken over the investigation. SWAT officers patrol the Copley Square area after explosions near the finish line of the Boston Marathon in Boston, Massachusetts April 15, 2013. (Reuters) SWAT
The police also did not specify whether the two blasts were an act of terror. They said they do not have any suspect in custody and the FBI has taken over the investigation.

SWAT officers patrol the Copley Square area after explosions near the finish line of the Boston Marathon in Boston, Massachusetts April 15, 2013. (Reuters) SWAT
The FBI said its Boston division remains on the scene of the bombings. "A multi-agency response including state and federal law enforcement agencies has been activated and is investigating the cause of the explosions along the Boston Marathon route and elsewhere. The FBI's Boston Division stands with the Boston Police Department and remains on-scene. The situation remains fluid and it remains too early to establish the cause and motivation," the bureau said.  Bill Iffrig, 78, lies on the ground as police officers react to a second explosion at the finish line. (AP)
The FBI said its Boston division remains on the scene of the bombings. "A multi-agency response including state and federal law enforcement agencies has been activated and is investigating the cause of the explosions along the Boston Marathon route and elsewhere. The FBI's Boston Division stands with the Boston Police Department and remains on-scene. The situation remains fluid and it remains too early to establish the cause and motivation," the bureau said.

Bill Iffrig, 78, lies on the ground as police officers react to a second explosion at the finish line. (AP)
The area close to the finish line of the marathon is home to several of Boston's restaurants, bars and popular tourist destinations. The Boston blasts prompted other major US cities like New York and Washington to step up security at landmark locations.  An injured man stands at the scene of an explosion at the Boston Marathon in Boston, Massachusetts, April 15, 2013. (Reuters)
The area close to the finish line of the marathon is home to several of Boston's restaurants, bars and popular tourist destinations. The Boston blasts prompted other major US cities like New York and Washington to step up security at landmark locations.

An injured man stands at the scene of an explosion at the Boston Marathon in Boston, Massachusetts, April 15, 2013. (Reuters)
The Los Angeles Police Department said in a statement that there will be an increased security following the Boston attack. Members of the Boston Marathon medical team embrace after treating victims of explosions near the finish line of the Boston Marathon in Boston, Massachusetts. (Reuters)
The Los Angeles Police Department said in a statement that there will be an increased security following the Boston attack.

Members of the Boston Marathon medical team embrace after treating victims of explosions near the finish line of the Boston Marathon in Boston, Massachusetts. (Reuters)
 The heightened alert of the Los Angeles County Sheriff's Department includes increased patrols to create a more visible presence at public places such as government buildings, shopping centers, athletic events, and public transit. A couple walks down Boylston Street away from the finish line of the Boston Marathon in Boston. (Reuters)
The heightened alert of the Los Angeles County Sheriff's Department includes increased patrols to create a more visible presence at public places such as government buildings, shopping centers, athletic events, and public transit.

A couple walks down Boylston Street away from the finish line of the Boston Marathon in Boston. (Reuters)
In wake of the blasts, the Federal Aviation Administration placed a temporary flight restriction over parts of Boston at the request of law enforcement.  Chris Darmody, right, holds his wife Sue in Boston, Monday, April 15, 2013. Chris says he was waiting for Sue when an explosion detonated near his location at the finish line of the Boston Marathon. The couple were later reunited after all runners were diverted from the course. (AP)
In wake of the blasts, the Federal Aviation Administration placed a temporary flight restriction over parts of Boston at the request of law enforcement.

Chris Darmody, right, holds his wife Sue in Boston, Monday, April 15, 2013. Chris says he was waiting for Sue when an explosion detonated near his location at the finish line of the Boston Marathon. The couple were later reunited after all runners were diverted from the course. (AP)
The Boston Marathon was established in 1897 and is one of the six World Marathon Majors. The bombings were condemned by leaders and groups across the US. Blood can be seen on the sidewalk as men in bomb-disposal suits investigate the site of an explosion which went off on Boylston Street during the 117th Boston Marathon in Boston, Massachusetts April 15, 2013. (Reuters)
The Boston Marathon was established in 1897 and is one of the six World Marathon Majors. The bombings were condemned by leaders and groups across the US.

Blood can be seen on the sidewalk as men in bomb-disposal suits investigate the site of an explosion which went off on Boylston Street during the 117th Boston Marathon in Boston, Massachusetts April 15, 2013. (Reuters)

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